CHARACTERIZATION OF EMERALDS FROM A HISTORICAL DEPOSIT: BYRUD (EIDSVOLL), NORWAY.Published in:Gems & Gemology, 2008, v. 44, n. 2, p. 108, doi. 10.5741/GEMS.44.2.108By:Rondeau, Benjamin;Fritsch, Emmanuel;Peucat, Jean-Jacques;Nordrum, Fred Steinar;Groat, LeePublication type:Article